diff options
Diffstat (limited to 'tests/unit/compat')
-rw-r--r-- | tests/unit/compat/__init__.py | 0 | ||||
-rw-r--r-- | tests/unit/compat/builtins.py | 34 | ||||
-rw-r--r-- | tests/unit/compat/mock.py | 127 | ||||
-rw-r--r-- | tests/unit/compat/unittest.py | 39 |
4 files changed, 200 insertions, 0 deletions
diff --git a/tests/unit/compat/__init__.py b/tests/unit/compat/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/unit/compat/__init__.py diff --git a/tests/unit/compat/builtins.py b/tests/unit/compat/builtins.py new file mode 100644 index 0000000..bfc8adf --- /dev/null +++ b/tests/unit/compat/builtins.py @@ -0,0 +1,34 @@ +# (c) 2014, Toshio Kuratomi <tkuratomi@ansible.com> +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see <http://www.gnu.org/licenses/>. + +# Make coding more python3-ish +from __future__ import absolute_import, division, print_function + +__metaclass__ = type + +# +# Compat for python2.7 +# + +# One unittest needs to import builtins via __import__() so we need to have +# the string that represents it +try: + import __builtin__ +except ImportError: + BUILTINS = "builtins" +else: + BUILTINS = "__builtin__" diff --git a/tests/unit/compat/mock.py b/tests/unit/compat/mock.py new file mode 100644 index 0000000..b45d6b5 --- /dev/null +++ b/tests/unit/compat/mock.py @@ -0,0 +1,127 @@ +# (c) 2014, Toshio Kuratomi <tkuratomi@ansible.com> +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see <http://www.gnu.org/licenses/>. + +# Make coding more python3-ish +from __future__ import absolute_import, division, print_function + +__metaclass__ = type + +""" +Compat module for Python3.x's unittest.mock module +""" +import sys + +# Python 2.7 + +# Note: Could use the pypi mock library on python3.x as well as python2.x. It +# is the same as the python3 stdlib mock library + +try: + # Allow wildcard import because we really do want to import all of mock's + # symbols into this compat shim + # pylint: disable=wildcard-import,unused-wildcard-import + from unittest.mock import * +except ImportError: + # Python 2 + # pylint: disable=wildcard-import,unused-wildcard-import + try: + from mock import * + except ImportError: + print("You need the mock library installed on python2.x to run tests") + + +# Prior to 3.4.4, mock_open cannot handle binary read_data +if sys.version_info >= (3,) and sys.version_info < (3, 4, 4): + file_spec = None + + def _iterate_read_data(read_data): + # Helper for mock_open: + # Retrieve lines from read_data via a generator so that separate calls to + # readline, read, and readlines are properly interleaved + sep = b"\n" if isinstance(read_data, bytes) else "\n" + data_as_list = [l + sep for l in read_data.split(sep)] + + if data_as_list[-1] == sep: + # If the last line ended in a newline, the list comprehension will have an + # extra entry that's just a newline. Remove this. + data_as_list = data_as_list[:-1] + else: + # If there wasn't an extra newline by itself, then the file being + # emulated doesn't have a newline to end the last line remove the + # newline that our naive format() added + data_as_list[-1] = data_as_list[-1][:-1] + + for line in data_as_list: + yield line + + def mock_open(mock=None, read_data=""): + """ + A helper function to create a mock to replace the use of `open`. It works + for `open` called directly or used as a context manager. + + The `mock` argument is the mock object to configure. If `None` (the + default) then a `MagicMock` will be created for you, with the API limited + to methods or attributes available on standard file handles. + + `read_data` is a string for the `read` methoddline`, and `readlines` of the + file handle to return. This is an empty string by default. + """ + + def _readlines_side_effect(*args, **kwargs): + if handle.readlines.return_value is not None: + return handle.readlines.return_value + return list(_data) + + def _read_side_effect(*args, **kwargs): + if handle.read.return_value is not None: + return handle.read.return_value + return type(read_data)().join(_data) + + def _readline_side_effect(): + if handle.readline.return_value is not None: + while True: + yield handle.readline.return_value + for line in _data: + yield line + + global file_spec + if file_spec is None: + import _io + + file_spec = list( + set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))) + ) + + if mock is None: + mock = MagicMock(name="open", spec=open) + + handle = MagicMock(spec=file_spec) + handle.__enter__.return_value = handle + + _data = _iterate_read_data(read_data) + + handle.write.return_value = None + handle.read.return_value = None + handle.readline.return_value = None + handle.readlines.return_value = None + + handle.read.side_effect = _read_side_effect + handle.readline.side_effect = _readline_side_effect() + handle.readlines.side_effect = _readlines_side_effect + + mock.return_value = handle + return mock diff --git a/tests/unit/compat/unittest.py b/tests/unit/compat/unittest.py new file mode 100644 index 0000000..df3379b --- /dev/null +++ b/tests/unit/compat/unittest.py @@ -0,0 +1,39 @@ +# (c) 2014, Toshio Kuratomi <tkuratomi@ansible.com> +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Ansible. If not, see <http://www.gnu.org/licenses/>. + +# Make coding more python3-ish +from __future__ import absolute_import, division, print_function + +__metaclass__ = type + +""" +Compat module for Python2.7's unittest module +""" + +import sys + +# Allow wildcard import because we really do want to import all of +# unittests's symbols into this compat shim +# pylint: disable=wildcard-import,unused-wildcard-import +if sys.version_info < (2, 7): + try: + # Need unittest2 on python2.6 + from unittest2 import * + except ImportError: + print("You need unittest2 installed on python2.6.x to run tests") +else: + from unittest import * |